Anti-free flow modulator



FIG. 1 is a front perspective view of the anti-free flow modulatorshowing our new design taken from the top, the dashed lines forming nopart of the claimed design;

FIG. 2 is a front elevational view thereof, the dashed lines forming nopart of the claimed design;

FIG. 3 is a left elevational view thereof, a right elevational viewbeing a mirror image thereof, the dashed lines forming no part of theclaimed design;

FIG. 4 is a top view thereof, the dashed lines forming no part of theclaimed design; and,

FIG. 5 is a bottom view thereof.

The broken line showing of a portion of the anti- free flow modulator isincluded for the purpose of illustrating environmental structure andforms no part of the claimed design.

The ornamental design for an anti-free flow modulator, as shown anddescribed.